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Thread: DAVE_Init() does not finish when Pin App Method is used

  1. #1
    Beginner Beginner Markus S. is on a distinguished road
    Join Date
    Jan 2020

    DAVE_Init() does not finish when Pin App Method is used


    I have startet a Project on the XMC2Go Baord that for now uses the DAVE-Apps PWM and ADC. The files are in the Attachement.
    The observation is now that
    - PWM starts normally (seen on Output Pin P0.7) if I comment out line 45 in main.c.
    - Program does NOT finish the step "status=DAVE_Init();" if this line is not commentet out. No PWM-Signal on Pin 0.7.

    But line 45 reads only " DIGITAL_IO_SetOutputLow(&DIGITAL_IO_0);". It has no connection to the PWM.

    Why is that?

  2. #2

    Infineon Employee
    Infineon Employee
    jferreira will become famous soon enough
    Join Date
    Oct 2012

    The ADC is configured in continuous conversion mode and start conversion after initialization. My assumption is that your are not leaving the interrupt context when the next conversion interrupt is already pending if you keep the mentioned line uncommented.
    You can alternatively deselect the start conversion after initialization and after the call to start the PWM, i.e. PWM_CCU4_Start(&PWM_CCU4_0);, you do ADC_MEASUREMENT_StartConversion(&ADC_MEASUREMENT_0 );

    The views expressed here are my personal opinions, have not been reviewed or authorized by Infineon and do not necessarily represent the views of Infineon.

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